#div1{
	margin-top: 2.5em;
}
#div3{
	margin-top: 1em;
	background: white;
}
#div4{
	margin-top: 1em;
	background: white;
}
#div3{
	margin-top: 1em;
	background: white;
}#div1_shang{
	padding: 0.5em;
}
.biankuang{
	border-right: 1px #000 solid;
}
#item1, #item2, #item3, #item4, #item5, #item6{
	height: 360px !important;	
	position: relative;
}
canvas{
	display: block;
	margin: 25px auto;
}
.detail{
	position: absolute;
	left: 15px;
	bottom: 0;
}

